12865620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6917}}^1$

素因数の和:6960

約数の個数: 48

約数和(自身を含む): 37191168

約数和(自身を除く): 24325548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 6917, 13834, 20751, 27668, 34585, 41502, 69170, 83004, 103755, 138340, 207510, 214427, 415020, 428854, 643281, 857708, 1072135, 1286562, 2144270, 2573124, 3216405, 4288540, 6432810, 12865620]

約数ペア:

[(1, 12865620), (2, 6432810), (3, 4288540), (4, 3216405), (5, 2573124), (6, 2144270), (10, 1286562), (12, 1072135), (15, 857708), (20, 643281), (30, 428854), (31, 415020), (60, 214427), (62, 207510), (93, 138340), (124, 103755), (155, 83004), (186, 69170), (310, 41502), (372, 34585), (465, 27668), (620, 20751), (930, 13834), (1860, 6917)]